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J/A+AS/116/21 Extinction toward CrA and Lup (Andreazza+, 1996)
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Star counts in southern dark clouds: Corona Australis and Lupus
Andreazza C.M., Vilas-Boas J.W.S.
<Astron. Astrophys. Suppl. Ser. 116, 21 (1996)>
=1996A&AS..116...21A (SIMBAD/NED BibCode)
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ADC_Keywords: Extinction
Keywords: ISM: individual objects: CrA cloud, Lup cloud -
ISM: clouds; extinction; magnetic fields
Description:
Star counts technique is used towards southern dark globular filaments
situated in the cloud complexes of Corona Australis and Lupus. Tables
and maps of the distribution of visual extinction are presented for
each filament. Lower limit masses for the filaments and condensations
have been estimated and the central coordinates of the condensations
are also given. R CrA is the most active star forming region among the
filaments studied in this work whereas Lupus 1, with almost the same
lower limit of mass, has only a few T Tauri stars and just one young
embedded object. The distribution of direction of the magnetic field
in the condensations of Lupus, suggests that the condensation
morphologies does not have any apparent relation with the magnetic
field orientation.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 11 5987 Visual extinction dist. toward Corona Australis
table2 11 3865 Visual extinction distribution toward Lupus 1
table3 11 485 Visual extinction distribution toward Lupus 2
table4 11 2354 Visual extinction distribution toward Lupus 3
table5 11 1489 Visual extinction distribution toward Lupus 4
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Byte-by-byte Description of file: table1 table2 table3 table4 table5
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Bytes Format Units Label Explanations
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1- 3 I3 --- I Index of the data column in right ascension,
the offset for the point I in right ascension
from the (0, 0) position is I*2.25arcmin
4- 6 I3 --- J Index of the data column in declination,
the offset for the point J in declination
from the (0, 0) position is J*2.25 arcmin
7- 10 F4.1 mag Ext Visual extinction, value of the element I, J
of the matrix which correspond to a square
of 2.25 arcmin
11 A1 --- n_Ext Lower limit to the visual extinction
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Coordinates of the (0,0) position in the matrices of data:
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Cloud RA(1950) Dec(1950)
(h,m,s) (deg,min,s)
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Corona Australis 19 11 55 -37 38 32
Lupus 1 15 35 53 -35 07 18
Lupus 2 15 55 13 -37 21 38
Lupus 3 16 01 50 -39 56 24
Lupus 4 16 01 50 -42 31 08
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(End) Patricia Bauer [CDS] 22-Jan-1996